Thunderbird Daily Suave

Based on the "Thunderbird Suave" theme by aramaicus.

Seoul Dark

Seoul dark theme for Thunderbird. Adapted from calvinchd's Gruvbox Dark (https://addons.thunderbird.net/en-US/thunderbird/addon/gruvbox-dark-thunderbird), inspired by junegunn's color scheme for vim (https://github.com/junegunn/seoul256.vim).

Antimuonium

A personal mix between dark and light modes.

Nord Theme

An adaptation of the Nord Theme for Thunderbird.

Tristana Theme (League of Legends)

1920x1080

irasutoya01

Thunderbird 78 以降用に使えるテーマを練習用に作ってみました。
Very simple theme, which uses only public domain illustrations.

Arc Inspired

A Thunderbird theme inspired by the Arc theme.

Purple Praline

A purple theme for Thunderbird

Breeze (Plasma 5) Arch Linux

Breeze (Plasma 5) + logo of Arch Linux

The Hunting of the Snark 2

Chocolate brown colored theme with a detail from an Illustration by Henry Holiday to Lewis Carroll's "The Hunting of the Snark"

Shop Khởi Nghiệp Theme 1

Theme Designed by Shop Khoi Nghiep

Thunderglobe

A Thunderbird version of the popular Fireglobe theme for Firefox.

Kde Breeze Light

Breeze Light Theme for Thunderbird

Earlybird

A nice bright theme to use with Thunderbird beta versions (Earlybird)

Thunderbird-60

An updated version with a Thunderbird 60 logo. Not sure what ESR68 is going to look l ike :)

yahane_pattern

yahane_pattern, BY: HEKISU1

Universe Nebula

EMBL-EBI Theme

A simple theme to give your computer the EMBL-EBI look.

Nightly Brandrav

FirePlanet